Integrated filter and cooling and lubricating system

Abstract

The invention discloses an integrated filter and a cooling and lubricating system, the integrated filter comprises a shell and a filter assembly, the shell is provided with a filter chamber limited in the shell, and an oil inlet and an oil outlet which are communicated with the filter chamber; the filtering assembly is arranged in the filtering chamber; wherein the filter assembly comprises a filter element assembly and an electromagnet assembly, the oil inlet and the oil outlet are isolated from each other through the filter element assembly, and the electromagnet assembly is located between the oil inlet and the filter element assembly. The electromagnet assembly and the filter element assembly are integrated, so that impurity grading treatment can be realized by utilizing a composite mechanism of electromagnetic adsorption and physical filtration when the electromagnet assembly is electrified, and the effectiveness of a coarse / fine filtration function of the filter is ensured; when the electromagnet assembly is powered off, impurities adsorbed on the electromagnet assembly can fall into the oil channel, so that blockage caused by accumulation of a large amount of impurities in the filter is avoided; meanwhile, the fallen impurities are in a floating state, so that the filter can be conveniently and reversely washed.

Description

Technical Field

[0001] This application relates to the technical field of vehicle transmission lubrication systems, and particularly to an integrated filter and a cooling and lubrication system. Background Art

[0002] In the cooling and lubrication system of an automotive transmission case, a filtration system is usually configured. The filtration system can filter impurities contained in engine oil, transmission oil, and hydraulic oil to ensure the normal operation of transmission devices such as gearboxes. The existing filtration systems mainly rely on a coarse filter and a fine filter with a split design to perform multi-stage filtration and purification of the oil. The coarse filter mainly filters large particle impurities such as rust, sand, and colloid in the oil through a metal mesh, and the fine filter mainly filters small particle impurities in the oil through materials such as filter paper. After working for a certain period of time, impurities such as rust, sand, and colloid are likely to deposit in the pores of the metal mesh, causing blockage, which affects the normal operation and service life of the entire cooling and lubrication system. Summary of the Invention

[0003] In view of the above problems, the embodiments of this application provide an integrated filter and a cooling and lubrication system, and the integrated filter can prevent a large amount of impurities from accumulating in the filter and causing blockage of the filter.

[0004] According to one aspect of the embodiments of this application, an integrated filter is provided, including: a housing having a filtration chamber defined inside the housing and an oil inlet and an oil outlet communicating with the filtration chamber; a filtration component disposed in the filtration chamber; wherein, the filtration component includes a filter element component and an electromagnet component, the filter element component isolates the oil inlet and the oil outlet from each other, and the electromagnet component is disposed between the oil inlet and the filter element component.

[0005] In an exemplary embodiment of this application, the electromagnet component includes at least one electromagnetic flat plate.

[0006] In an exemplary embodiment of this application, the oil inlet and the oil outlet are respectively disposed on opposite sides of the housing, and the electromagnetic flat plate is disposed parallel to the axial direction of the oil inlet.

[0007] In an exemplary embodiment of this application, the electromagnet component includes a plurality of parallel electromagnetic flat plates, and the plurality of electromagnetic flat plates are spaced apart in a direction perpendicular to the plate surface of the electromagnetic flat plates.

[0008] In an exemplary embodiment of this application, the oil inlet and the oil outlet are relatively offset.

[0009] In an exemplary embodiment of this application, two of the four side walls of the electromagnetic flat plate are in contact with the inner side wall of the filtration chamber.

[0010] In an exemplary embodiment of this application, the filter element component includes filter paper.

[0011] In an exemplary embodiment of the present application, the electromagnet assembly includes at least one electromagnetic rod.

[0012] According to the second aspect of the embodiments of the present application, a cooling and lubricating system is provided, including a cooling lubricating oil circuit and a backwashing oil circuit; the cooling lubricating oil circuit includes an integrated filter, a two-way oil pump, a first one-way valve, and an oil cooler connected in sequence along a first oil flow direction; the oil outlet end of the backwashing oil circuit is connected between the two-way oil pump and the first one-way valve; the backwashing oil circuit includes an oil filter and a second one-way valve connected in sequence along a second oil flow direction; wherein, the integrated filter is the integrated filter of any of the above embodiments; the first oil flow direction and the second oil flow direction are opposite.

[0013] In an exemplary embodiment of the present application, the cooling and lubricating system further includes a dirt collecting oil circuit; the dirt collecting oil circuit includes a three-way reversing valve and a dirt collecting bin, and a magnetic member capable of generating a magnetic field is arranged in the dirt collecting bin; wherein, the first port of the three-way reversing valve is connected to the oil inlet end of the dirt collecting bin through a pipeline, the second port of the three-way reversing valve is connected to the oil inlet of the integrated filter, an oil inlet pipeline is connected to the third port of the three-way reversing valve, and the three-way reversing valve controls the oil inlet of the integrated filter to be separately communicated with the oil inlet pipeline or the dirt collecting bin; an oil outlet pipeline is connected to the oil outlet end of the dirt collecting bin.

[0014] By integrating the electromagnet assembly and the filter element assembly into an integrated filter in the present application, impurities that can be magnetically adsorbed in the oil can be adsorbed by the electromagnet assembly when energized, realizing rough filtration of the oil, and then other impurities that cannot be magnetically adsorbed in the oil are filtered by the filter element assembly, realizing purification of the oil; when powered off, the impurities adsorbed on the electromagnet assembly can fall into the oil passage, and at the same time, the fallen impurities are in a floating state, facilitating reverse flushing of the integrated filter. In this way, not only can the composite mechanism of electromagnetic adsorption and physical filtration be used to achieve hierarchical treatment of impurities, ensuring the effectiveness of the rough / fine filtration functions of the filter, but also the blockage caused by a large accumulation of impurities in the filter can be avoided.

[0015] The above description is only an overview of the technical solutions of the embodiments of the present application. In order to be able to understand the technical means of the embodiments of the present application more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features, and advantages of the embodiments of the present application more obvious and understandable, the specific embodiments of the present application are specifically given below. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to the structures shown in these drawings.

[0017] Figure 1 Shows a schematic structural diagram of the housing described in the embodiments of the present application;

[0018] Figure 2 Shows a connection schematic diagram of the filter assembly described in the embodiments of the present application;

[0019] Figure 3 Shows a cross-sectional view of the integrated filter described in the embodiments of the present application;

[0020] Figure 4 Shows a cross-sectional view of another integrated filter described in the embodiments of the present application;

[0021] Figure 5 Shows a cross-sectional view of yet another integrated filter described in the embodiments of the present application;

[0022] Figure 6 Shows a connection schematic diagram of the cooling lubrication system described in the embodiments of the present application;

[0023] Figure 7 Shows a connection schematic diagram of the controller described in the embodiments of the present application.

[0024] Explanation of the reference numerals in the drawings:

[0025] 1 - Housing, 11 - Filter chamber, 12 - Oil inlet, 13 - Oil outlet, 14 - Upper shell, 15 - Lower shell, 2 - Filter assembly, 21 - Electromagnet assembly, 211 - Electromagnetic plate, 212 - Oil passage, 213 - Support column, 214 - Wire, 215 - Terminal block, 216 - Electromagnetic rod, 22 - Filter element assembly, 221 - Filter surface,

[0026] 100 - Cooling lubrication system, 110 - Cooling lubricating oil circuit, 111 - Integrated filter, 112 - Two-way oil pump, 113 - First one-way valve, 114 - Oil cooler, 120 - Backwashing oil circuit, 121 - Oil filter, 122 - Second one-way valve, 130 - Oil collection circuit, 131 - Three-way reversing valve, 132 - Oil collection bin, 140 - Controller, 150 - Detection assembly,

[0027] 200 - Oil tank, 201 - First end, 202 - Second end, 203 - Third end, 300 - Equipment to be cooled and lubricated, x - First direction, y - Second direction, z - Third direction.

[0028] The realization, functional features and advantages of the present application will be further described in conjunction with the embodiments and with reference to the accompanying drawings. Detailed implementation manners

[0029] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this application will be more complete and comprehensive, and will fully convey the concept of the example embodiments to those skilled in the art.

[0030] In addition, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of the embodiments of this application. However, those skilled in the art will recognize that the technical solutions of this application can be practiced without one or more of the specific details, or other methods, components, devices, steps, etc. may be used. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of this application.

[0031] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted here that the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present application and should not be construed as limiting the present application.

[0032] It should also be noted that in the description of the present application, the first direction x, the second direction y, and the third direction z are three mutually perpendicular directions in a three-dimensional coordinate system, and the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the technical solutions of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

[0033] As Figures 1 to 3As shown in the figure, this embodiment provides an integrated filter, which includes a housing 1 and a filter component 2. The housing 1 has a filter chamber 11 defined inside the housing 1, and an oil inlet 12 and an oil outlet 13 defined on the side wall of the housing 1 and communicating with the filter chamber 11. The filter component 2 is disposed in the filter chamber 11, and the oil inlet 12 and the oil outlet 13 are separated by the filter component 2. The filter component 2 includes an electromagnet component 21 that can generate magnetism when energized and a filter element component 22. The filter element component 22 is disposed on the side closer to the oil outlet 13, and the filter element component 22 isolates the oil inlet 21 and the oil outlet 22 from each other; the electromagnet component 21 is disposed between the oil inlet 12 and the filter element component 22, and an oil passage 212 for the oil to be filtered to pass through is formed between the electromagnet component 21 and the side wall of the filter chamber 11.

[0034] Based on the above structural arrangement, when the electromagnet component 21 is energized, during the process of the oil to be filtered entering from the oil inlet 12 and passing through the oil passage 212, the impurities in the oil that can be magnetically adsorbed can be removed by the electromagnet component 21, thereby realizing the rough filtration of the oil; then, when the roughly filtered oil passes through the filter element component 22, other impurities in the oil that cannot be magnetically adsorbed are further filtered, and thus the purification of the oil is realized. When the electromagnet component 21 is de-energized, the magnetism of the electromagnet component 21 disappears, and the impurities adsorbed on the electromagnet component 21 can fall into the oil passage 212. At the same time, the fallen impurities are in a floating state, which is convenient for reverse flushing of the integrated filter. In this way, not only can the composite mechanism of electromagnetic adsorption and physical filtration be used to realize the hierarchical treatment of impurities, ensuring the effectiveness of the rough / fine filtration functions of the filter, but also the blockage caused by the large accumulation of impurities in the filter can be avoided.

[0035] Specifically, as Figure 3 shown, in this embodiment, the housing 1 includes an upper shell 14 and a lower shell 15 that can be relatively closed. Among them, the upper shell 14 and the lower shell 15 respectively have opposite and adapted cavities, and the oil inlet 12 is opened on the side wall of the lower shell 15 along the first direction x, and the oil outlet 13 is opened on the side wall of the upper shell 14 along the first direction x; when the upper shell 14 and the lower shell 15 are relatively closed, they can be fixed in the circumferential direction of the housing 1 by means of snap connection or bolt connection. At this time, the cavity of the upper shell 14 and the cavity of the lower shell 15 are also correspondingly closed to form the filter chamber 11. Based on the above structural arrangement, the oil inlet 12 and the oil outlet 13 are relatively offset on both sides of the housing 1 in the first direction x, which can extend the flow path of the oil in the filter chamber 11 and can better magnetically filter the impurities in the oil.

[0036] The electromagnet assembly 21 can be an electromagnetic rod, an electromagnetic plate, etc. Its working end that can generate magnetism when energized is arranged in the filtering chamber 11, and a spacing is provided between it and the side wall of the filtering chamber 11, so that an oil passage 212 for the oil to be filtered to pass through can be formed, thereby roughly filtering the oil passing through the oil passage 212 when energized.

[0037] The filter element assembly 22 can be made of a mesh frame structure such as filter paper or metal mesh with filter paper clamped. In this embodiment, the filter element assembly 22 is arranged on one side of the filtering chamber 11 close to the oil outlet 13. The circumference of its filtering surface 221 is connected to the side wall of the filtering chamber 11. The connection method can be embedding, clamping, bolt connection, etc., so as to realize the arrangement of the filter element assembly 22 in the filtering chamber 11 and isolate the oil inlet 21 and the oil outlet 22 from each other. In other embodiments, the filter element assembly 2 can also be directly sealed at the oil outlet 13, and the oil inlet 21 and the oil outlet 22 can also be isolated from each other, thereby finely filtering the passing oil.

[0038] In this way, the oil to be filtered can enter the filtering chamber 11 from the oil inlet 12 of the lower housing 15, and sequentially pass through the electromagnet assembly 21 and the filter element assembly 22 along the first direction x for filtration and purification, and then be discharged from the oil outlet 13 of the upper housing 14. Through the composite mechanism of electromagnetic adsorption and physical filtration, the hierarchical treatment of impurities is realized, and the effectiveness of the coarse / fine filtration function of the filter is ensured.

[0039] It can be understood that when the integrated filter is in use, it can be arranged with the first direction x parallel to the vertical direction. At this time, the oil outlet 13 is located above the oil inlet 12, and the filter element assembly 22 is also located above the electromagnet assembly 21. In this way, when the electromagnet assembly 21 is powered off, the impurities adsorbed on the electromagnet assembly 21 can fall downward due to gravity back to the side where the oil inlet 12 is located, and will not block the filter element assembly 22, which can not only improve the service life of the filter element assembly, but also reduce the cleaning difficulty of the integrated filter.

[0040] In some embodiments, as Figure 3 shown, the electromagnet assembly 21 includes at least one electromagnetic plate 211. At this time, the oil passage 212 for the oil to be filtered to pass through is formed on both sides of the plate surface of the electromagnetic plate 211. By using the plate structure of the electromagnetic plate 211, the contact area between the electromagnet assembly 21 and the oil can be increased in the limited space of the filtering chamber 11, and the metal impurities in the oil can be effectively adsorbed.

[0041] Furthermore, as Figure 3 shown, the oil inlet 12 and the oil outlet 13 are respectively arranged on opposite sides of the housing 1, and the electromagnetic plate 211 can be arranged parallel to the axis of the oil inlet 12. In this way, when the integrated filter is reversely flushed, the impurities can be conveniently flushed out in the reverse direction.

[0042] Further, as Figure 3 shown, when multiple electromagnetic plates 211 are provided, the multiple electromagnetic plates 211 can be arranged parallel to each other, and the multiple electromagnetic plates 211 are spaced apart along the direction perpendicular to the plate surface of the electromagnetic plate 211. At this time, an oil passage 212 for the oil to be filtered to pass through is formed between adjacent electromagnetic plates 211 and between the electromagnetic plate 211 and the housing 1. In this way, by increasing the number of electromagnetic plates 211, the magnetic adsorption area can be further increased, and the filtering effect is better.

[0043] Further, two opposite side walls among the four side walls of the electromagnetic plate 211 (such as Figure 2 and Figure 3 the two side walls distributed along the second direction y shown) are attached to the inner side wall of the filtering chamber 11. In this way, the oil passage 212 can be limited on both sides of the plate surface of the electromagnetic plate 211, extending the flow path of the oil on the magnetic adsorption surface of the electromagnetic plate 211, and thus better magnetically adsorbing and filtering the impurities in the oil.

[0044] For example, as Figure 3 shown, the electromagnet assembly 21 in this embodiment includes four electromagnetic plates 211. The four electromagnetic plates 211 are all parallel to the plane formed by the first direction x and the second direction y, and are equally spaced along the third direction z in the filtering chamber 11. Among them, the oil inlet 12 and the oil outlet 13 are respectively located on opposite sides of the housing 1. The first direction x is parallel to the axial direction of the oil inlet 12, and the first direction x, the second direction y, and the third direction z are perpendicular to each other in pairs. Through the above settings, the contact area between the electromagnet assembly 21 and the oil can be increased, the flow path of the oil on the magnetic adsorption surface of the electromagnetic plate 211 can be extended, the magnetic adsorption coverage rate of the electromagnet assembly 21 in the filtering chamber 11 can be effectively improved, and thus the metal impurities in the oil can be effectively removed; at the same time, when the integrated filter is reversely flushed, the impurities can also be conveniently flushed out in the reverse direction, avoiding a large amount of accumulation of impurities in the filter and causing blockage.

[0045] It can be understood that the embodiments described with reference to the accompanying drawings above are exemplary and are intended to explain the setting manner of the electromagnetic plate 211, and should not be construed as a limitation to the present application. In other embodiments, the electromagnetic plate 211 can be horizontally arranged, vertically arranged, or inclined in the filtering chamber 11, and can be selected and arranged according to specific requirements (such as the shape and installation direction of the housing 1, etc.), which will not be elaborated here.

[0046] It can also be understood that the side of the electromagnetic flat plate 211 can extend along the second direction y to be connected to the side wall of the filtering chamber 11, and the connection method can be embedding, clamping or bolt connection, etc., so as to realize the arrangement of the electromagnetic flat plate 211 in the filtering chamber 11. At the same time, the power supply lines of the above-mentioned multiple electromagnetic flat plates 211 can be arranged outside the housing 1 or in the sandwich layer of the side wall of the housing 1, and the multiple electromagnetic flat plates 211 can realize synchronous control of power supply and power off through the power supply lines. For example, synchronous centralized power supply and power off are carried out by setting an independent power supply circuit and a common trigger circuit, or synchronous centralized power supply and power off are carried out by setting multiple branch lines in cooperation with a high-power linear power supply. The specific connection method and power supply strategy are prior arts, and no specific limitation is made here and will not be elaborated.

[0047] In some embodiments, as Figures 2 to 4 shown, the electromagnet assembly 21 further includes at least one support column 213. The support columns 213 all extend along the third direction z. One end of the support column 213 is connected to one side of the housing 1, and the other end passes through several electromagnetic flat plates 211 along the third direction z and is connected to the other side of the housing 1, so as to connect several electromagnetic flat plates 211 together and support them in the filtering chamber 11, which can not only simplify the structural configuration of the housing 1, but also provide stable support for the electromagnetic flat plates 211 and improve the structural stability of the electromagnetic flat plates 211 in the filtering chamber 11.

[0048] Specifically, in this embodiment, there are four support columns 213. By increasing the number of support columns 213, multi-point support can be provided for the electromagnetic flat plates 211, and the support stability of the electromagnetic flat plates 211 can be improved. Regarding the connection method between the support column 213 and the electromagnetic flat plate 211, as Figure 2 and Figure 3 shown, connection holes running through along the third direction z can be opened in the circumferential direction of the electromagnetic flat plate 211. The connection holes are opened in a circumferentially closed manner on the plate surface of the electromagnetic flat plate 211. The support column 213 is passed through the center of the connection hole along the third direction z, and the electromagnetic flat plate 211 is fixedly connected to the support column 213 by means of a clamping part, welding or screwing.

[0049] In other embodiments, as Figure 4 shown, a notch that is open to the outside can also be formed between the circumferential side of the connection hole and the side of the electromagnetic flat plate 211. The support column 213 is moved from the notch along the first direction x or the second direction y to be connected to the connection hole, and the connection method can be embedding, clamping, welding or bolt connection, etc., so as to realize the fixed connection between the electromagnetic flat plate 211 and the support column 213. Of course, several electromagnetic flat plates 211 and several support columns 213 can also be integrally formed by die casting, etc., so as to realize the fixed connection between the multiple electromagnetic flat plates 211 and the support columns 213.

[0050] In some embodiments, asFigure 4 As shown, at least one of the plurality of support columns 213 is a hollow column. In this way, the wire 214 for supplying power to the plurality of electromagnetic plates 211 can be arranged inside the hollow column. Only a wiring terminal 215 needs to be correspondingly arranged outside the housing 1 and connected to it, and then externally connected to a power supply device with a switch to realize the power supply and power-off of the plurality of electromagnetic plates 211, thereby further simplifying the structural configuration of the housing 1.

[0051] In some embodiments, as Figure 5 shown, the electromagnet assembly 21 includes at least one electromagnetic rod 216. By utilizing the high surface field strength and magnetic gradient of the electromagnetic rod 216, efficient adsorption of fine particles can be achieved, and the electromagnetic rod 216 is quick to install and easy to disassemble. It only needs to embed both ends in the length direction into the housing 1, with relatively low requirements for the design and structure of the housing 1, facilitating repair and maintenance.

[0052] Specifically, as Figure 5 shown, the electromagnet assembly 21 includes a plurality of electromagnetic rods 216. The plurality of electromagnetic rods 216 are arranged in a parallel and spaced array. The length direction of the electromagnetic rod 216 is arranged parallel to the third direction z. At this time, the oil passage 212 for the oil to be filtered to pass through is formed at the interval between adjacent electromagnetic rods 216, which can increase the contact area between the electromagnet assembly 21 and the oil in the limited space of the filtration chamber 11 and effectively remove metal impurities in the oil.

[0053] It can be understood that the embodiments described with reference to the accompanying drawings above are exemplary and are intended to explain the setting manner of the electromagnetic rod 216, and should not be construed as a limitation to this application. In other embodiments, the electromagnetic rod 216 can also be arranged in the filtration chamber 11 with its length direction parallel to the first direction x or the second direction y, or can be arranged obliquely, and can be selected and arranged according to specific requirements (such as the shape and installation direction of the housing 1, etc.), which will not be elaborated here.

[0054] In another embodiment, as Figure 6 shown, a cooling and lubrication system 100 is further provided. The cooling and lubrication system 100 is applied in an automotive transmission case and is used to cool and lubricate the components 300 to be cooled and lubricated in the automotive transmission case. The components 300 to be cooled and lubricated include gears, rotating shafts, bearings, motors, etc.

[0055] Specifically, the cooling and lubrication system 100 includes a cooling and lubricating oil circuit 110 and a backwashing oil circuit 120. The cooling and lubricating oil circuit 110 includes an integrated filter 111, a two-way oil pump 112, a first one-way valve 113, and an oil cooler 114 that are sequentially connected along a first oil flow direction. The oil outlet end of the backwashing oil circuit 120 is connected between the two-way oil pump 112 and the first one-way valve 113. The backwashing oil circuit 120 includes an oil filter 121 and a second one-way valve 122 that are sequentially connected along a second oil flow direction; wherein, the integrated filter 111 is the integrated filter 111 of any of the above embodiments; the first oil flow direction and the second oil flow direction are opposite. In this way, the cooling and lubrication system 100 can cool and lubricate the components 300 to be cooled and lubricated in the automotive transmission case through the cooling and lubricating oil circuit 110. The integrated filter 111 in the cooling and lubricating oil circuit 110 can filter the oil, and the backwashing oil circuit 120 is used to perform a backwashing and cleaning operation on the integrated filter 111.

[0056] Continue to refer to Figure 6 As shown, when the two-way oil pump 112 rotates forward, the oil in the fuel tank 200 flows along the first oil flow direction, passes through the integrated filter 111, the two-way oil pump 112, and the first one-way valve 113 in sequence through the cooling and lubricating oil circuit 110, and is introduced into the components 300 to be cooled and lubricated. At this time, the electromagnet assembly 21 in the integrated filter 111 is energized, and the integrated filter 111 performs a filtering operation to filter the oil; when the two-way oil pump 112 rotates in reverse, the oil in the fuel tank 200 flows along the second oil flow direction, passes through the oil filter 121 and the second one-way valve 122 in sequence through the backwashing oil circuit 120, and is introduced between the two-way oil pump 112 and the first one-way valve 113, and then returns to the fuel tank 200 through the two-way oil pump 112 and the integrated filter 111 in sequence through the cooling and lubricating oil circuit 110. At this time, the electromagnet assembly 21 in the integrated filter 111 is de-energized, the electromagnet assembly 21 loses magnetism, and the magnetic impurities attracted to the electromagnet assembly 21 are in a floating state. The oil flowing along the second oil flow direction can wash out the magnetic impurities in the floating state in the housing 1 from the oil inlet 12, realizing the cleaning of the inside of the integrated filter 111.

[0057] Specifically, the cooling and lubrication system 100 is configured to be able to switch between a closed state, a cooling and lubrication state, and a cleaning state. Among them, in the closed state, the two-way oil pump 112 stops running and the integrated filter 111 is de-energized; in the cooling and lubrication state, a cooling and lubrication operation is performed on the components 300 to be cooled and lubricated; in the cleaning state, a cleaning operation is performed on the integrated filter 111.

[0058] When the cooling and lubrication system 100 performs the cooling and lubrication operation, the two-way oil pump 112 rotates forward, and the electromagnet assembly 21 in the integrated filter 111 is energized; at this time, the oil to be filtered is pumped from the first end 201 of the fuel tank 200 through the cooling and lubrication oil path 110 into the integrated filter 111 for filtration. After the filtered and purified oil comes out of the integrated filter 111, it passes through the two-way oil pump 112, the first one-way valve 113, and the oil cooler 114 in sequence, and enters each branch after being cooled by the oil cooler 114 to cool and lubricate the parts 300 to be cooled and lubricated.

[0059] When the cooling and lubrication system 100 performs the cleaning operation, the two-way oil pump 112 rotates in reverse, and the electromagnet assembly 21 in the integrated filter 111 is de-energized; at this time, the oil path on the inlet end side of the parts 300 to be cooled and lubricated is blocked by the first one-way valve 113, and the oil is pumped from the second end 202 of the fuel tank 200 through the backwash oil path 120 into the oil filter 121 for filtration. After the filtered oil comes out of the oil filter 121, it passes through the second one-way valve 122 and the two-way oil pump 112 in sequence and then enters the integrated filter 111 to perform a reverse flush on the filter element assembly and the electromagnet assembly, so as to clean the integrated filter 111; subsequently, the oil carrying impurities flows back to the fuel tank 200 after flowing out of the oil inlet 12, so that the impurities are diluted and precipitated in the fuel tank 200.

[0060] In this way, not only can the integrated filter 111 be effectively cleaned to ensure the normal use of the integrated filter 111, but also the cleaning operation can be carried out without removing the filter, which can effectively save the cleaning time and improve the cleaning efficiency.

[0061] It can be understood that the above oil filter 121 can be made of filter paper or filter paper sandwiched with a metal mesh, and is used to filter the oil flowing through the backwash oil path 120, thereby protecting the two-way oil pump 112. Since the oil filter 121 is only used when the cooling and lubrication system 100 performs the cleaning operation and has a low usage frequency, the maintenance and maintenance cycle of the oil filter 121 can be extended, and the maintenance cost is relatively low.

[0062] In some embodiments, such as Figure 6As shown, the cooling and lubrication system 100 further includes a dirt collecting oil circuit 130. The dirt collecting oil circuit 130 includes a three-way reversing valve 131 and a dirt collecting bin 132. A magnetic member capable of generating a magnetic field, such as a permanent magnet, is provided in the dirt collecting bin 132. Among them, the first port of the three-way reversing valve 131 is connected to the oil inlet end of the dirt collecting bin 132 through a pipeline. The second port of the three-way reversing valve 131 is connected to the oil inlet of the integrated filter 111. An oil inlet pipeline is connected to the third port of the three-way reversing valve 131, specifically the first end 201 of the fuel tank 200. The three-way reversing valve 131 controls the separate conduction of the oil inlet of the integrated filter 111 with the oil inlet pipeline or the dirt collecting bin 132. An oil outlet pipeline is connected to the oil outlet end of the dirt collecting bin 132, specifically the third end 203 of the fuel tank 200. In this way, the cooling and lubrication system 100 can collect the clean oil through the dirt collecting oil circuit 130, and use the magnetic member in the dirt collecting bin 132 to magnetically filter the clean oil carrying impurities. After removing the impurities that can be magnetically adsorbed in the oil, it is recycled back to the fuel tank 200 for use, avoiding oil pollution of the fuel tank 200.

[0063] Specifically, the three-way reversing valve 131 is configured to connect the oil inlet 12 of the integrated filter 111 to the oil inlet pipeline, that is, the first end 201 of the fuel tank 200, when the cooling and lubrication system 100 performs the cooling and lubrication operation; and connect the oil inlet 12 of the integrated filter 111 to the dirt collecting bin 132 when the cooling and lubrication system 100 performs the cleaning operation.

[0064] When the cooling and lubrication system 100 performs the cooling and lubrication operation, the oil to be filtered can pass through the cooling and lubrication oil circuit 110 from the first end 201 of the fuel tank 200 in sequence through the three-way reversing valve 131, the integrated filter 111, the two-way oil pump 112, the first one-way valve 113, and the oil cooler 114. After being cooled by the oil cooler 114, it enters each branch to cool and lubricate the components 300 to be cooled and lubricated.

[0065] When the cooling and lubrication system 100 performs the cleaning operation, the oil can pass through the backwashing oil circuit 120 from the second end 202 of the fuel tank 200 in sequence through the oil filter 121, the second one-way valve 122, the two-way oil pump 112, and the integrated filter 111 to perform a reverse flush on the filter element assembly and the electromagnet assembly in the integrated filter 111. Subsequently, the oil carrying impurities enters the dirt collecting bin 132 through the three-way reversing valve 131. The magnetic member in the dirt collecting bin 132 magnetically filters the oil carrying impurities. Subsequently, the filtered oil flows back to the fuel tank 200 through the oil outlet pipeline, that is, the third end 203 of the fuel tank 200.

[0066] Further, the magnetic member can be detachably fixed in the sewage collection bin 132. In this way, by taking out the magnetic member from the sewage collection bin 132 for cleaning, the cleaning of the sewage collection bin 132 can be realized, which can effectively save cleaning time and improve cleaning efficiency. Exemplarily, the sewage collection bin 132 can be arranged outside the vehicle transmission case to facilitate the removal of the magnetic member in the sewage collection bin 132.

[0067] In addition, in some embodiments, the cooling and lubricating system 100 can be connected through the controller 140. The controller 140 is configured to be able to control the cooling and lubricating system 100 to perform cooling and lubricating operations or cleaning operations. As Figure 7 shown, the controller 140 can be a vehicle VCU (vehicle controller unit) or a subordinate controller connected to the VCU, which is connected to the cooling and lubricating system 100. Among them, the components of the cooling and lubricating system 100 used to connect to the controller 140 are specifically the three-way reversing valve 131, the integrated filter 111, and the two-way oil pump 112. Through the setting of the controller 140, the cooling and lubricating system 100 can be automatically controlled or controlled according to the instructions manually issued by the user to perform cooling and lubricating operations or cleaning operations, so that the cooling and lubricating system 100 automatically switches among three states, namely the closed state, the cooling and lubricating state for performing cooling and lubricating operations, and the cleaning state for performing cleaning operations, improving the automation and intelligence level of the cooling and lubricating system 100.

[0068] It can be understood that for other structures of the cooling and lubricating system 100 and the working principles of performing cooling and lubricating operations or cleaning operations, please refer to the above description of the embodiment of the cooling and lubricating system 100. Since the cooling and lubricating system 100 has the above technical effects, the vehicle having the cooling and lubricating system 100 should also have corresponding technical effects, which will not be elaborated here.

[0069] It can also be understood that under the deployment of the controller 140, the cooling and lubricating system 100 is configured to switch to the cooling and lubricating state when the vehicle's transmission system starts, and switch to the closed state or the cleaning state when the vehicle's transmission system stops running. The switching condition of the above cleaning state can be automatically triggered based on the preset conditions in the controller 140. For example, the cooling and lubricating system 100 is controlled to perform cleaning operations regularly by setting a time period; it can also be manually triggered by the user based on cleaning requirements. Among them, the receiving window of the manual trigger instruction can be presented as a physical button set on the vehicle body (such as the center console, steering wheel, or car door, etc.) or a touch button on the display screen of the vehicle-mounted system, or can be presented as a virtual button of the corresponding program control instruction in a mobile terminal (such as a mobile phone or a tablet computer, etc.) communicatively connected to the vehicle-mounted system, or can also be presented as a voice control module of the vehicle-mounted system for receiving voice control instructions; multiple instruction issuing methods can control the cooling and lubricating system 100 to perform cleaning operations, which can effectively improve the user's operation experience.

[0070] In some embodiments, such as Figure 6 and Figure 7 shown, the cooling and lubricating system 100 further includes a detection component 150 configured to detect the clogging state of the integrated filter 111. The controller 140 is connected to the detection component 150 and is configured to receive the data information of the detection component 150 and control the cooling and lubricating system 100 to start or stop performing a cleaning operation based on the data information. By providing the detection component 150, the clogging state of the integrated filter 111 can be detected in real time, ensuring that the cleaning operation is accurately and effectively performed and ensuring the normal operation of the cooling and lubricating system 100.

[0071] Specifically, in this embodiment, the detection component 150 is a pressure sensor. The detection end of the pressure sensor can be arranged between the integrated filter 111 and the two-way oil pump 112 to detect the pressure parameter of the oil fluid at the end where the oil outlet of the integrated filter 111 is located. The controller 140 determines whether a cleaning operation needs to be performed by comparing the detected real-time pressure value with a set pressure threshold. Among them, the controller 140 monitors the detection component 150 when the cooling and lubricating system 100 is in the cooling and lubricating state. When the detection component 150 detects that the real-time pressure value is less than the pressure threshold, it indicates that the integrated filter 111 is severely clogged. The controller 140 then controls the cooling and lubricating system 100 to switch to the cleaning state to perform the cleaning operation when the vehicle's transmission system stops running; when the detected real-time pressure value is greater than or equal to the pressure threshold, it indicates that the integrated filter 111 is in good working condition, and the controller 140 controls the cooling and lubricating system 100 to switch between the cooling and lubricating state and the closed state without performing the cleaning operation.

[0072] In other embodiments, the detection component 150 can also be a differential pressure sensor. The detection ends of the differential pressure sensor are respectively arranged at the end where the oil inlet of the integrated filter 111 is located and the end where the oil outlet is located to detect the pressure difference value of the oil fluid passing through the integrated filter 111. The controller 140 determines whether a cleaning operation needs to be performed by comparing the detected real-time pressure difference value with a set differential pressure threshold. Among them, the controller 140 monitors the detection component 150 when the cooling and lubricating system 100 is in the cooling and lubricating state. When the detection component 150 detects that the real-time pressure difference value is greater than the differential pressure threshold, it indicates that the integrated filter 111 is severely clogged. The controller 140 then controls the cooling and lubricating system 100 to switch to the cleaning state to perform the cleaning operation when the vehicle's transmission system stops running; when the detected real-time pressure difference value is less than or equal to the differential pressure threshold, it indicates that the integrated filter 111 is in good working condition, and the controller 140 controls the cooling and lubricating system 100 to switch between the cooling and lubricating state and the closed state without performing the cleaning operation.

[0073] In other embodiments, the detection component 150 can also be a flow rate sensor. The detection end of the flow rate sensor can be arranged between the integrated filter 111 and the two-way oil pump 112 to detect the flow rate of the oil fluid at the end where the oil outlet of the integrated filter 111 is located. The controller 140 compares the detected real-time flow rate value with the set flow rate threshold to determine whether a cleaning operation needs to be performed. Among them, the controller 140 monitors the detection component 150 when the cooling and lubrication system 100 is in the filtering state. When the detection component 150 detects that the real-time flow rate value is less than the flow rate threshold, it indicates that the integrated filter 111 is severely blocked. The controller 140 then controls the cooling and lubrication system 100 to switch to the cleaning state to perform the cleaning operation when the vehicle's transmission system stops running. When the detected real-time flow rate value is greater than or equal to the flow rate threshold, it indicates that the integrated filter 111 is in good use condition. The controller 140 then controls the cooling and lubrication system 100 to switch between the cooling and lubrication state and the off state without performing the cleaning operation.

[0074] In addition, a detection component 150 can also be arranged at the oil filter 121 and connected to the controller 140 to monitor whether the oil filter 121 is in normal use condition. At the same time, a detection component 150 can also be arranged at the sewage collection bin 132 and connected to the controller 140 to monitor whether the sewage collection bin 132 is in normal use condition. The specific implementation manners are the same as or similar to those of the foregoing embodiments and will not be elaborated here.

[0075] It can be understood that in this application, unless otherwise clearly specified and limited, terms such as "assembly" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

[0076] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include one or more of such features. The meaning of "a plurality" is two or more, unless otherwise clearly and specifically defined. And the descriptions of terms such as "some embodiments" and "exemplarily" mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application.

[0077] The illustrative descriptions of the above terms do not necessarily refer to the same embodiments or examples. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0078] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can modify, replace, and vary the above embodiments within the scope of the present application. Therefore, any changes or modifications made in accordance with the claims and the specification of the present application shall fall within the scope covered by the patent of the present application.

Claims

1. An integrated filter, characterized in that, Comprising: A housing having a filtration chamber defined inside the housing and an oil inlet and an oil outlet communicating with the filtration chamber; A filtration assembly disposed inside the filtration chamber; wherein, The filtration assembly includes a filter element assembly and an electromagnet assembly. The filter element assembly isolates the oil inlet and the oil outlet from each other, and the electromagnet assembly is disposed between the oil inlet and the filter element assembly.

2. The integrated filter according to claim 1, characterized in that, The electromagnet assembly includes at least one electromagnetic plate.

3. The integrated filter according to claim 2, wherein The oil inlet and the oil outlet are respectively disposed on opposite sides of the housing, and the electromagnetic plate is disposed parallel to the axial direction of the oil inlet.

4. The integrated filter according to claim 3, characterized in that, The electromagnet assembly includes a plurality of parallel electromagnetic plates, and the plurality of electromagnetic plates are spaced apart in a direction perpendicular to the plane of the electromagnetic plates.

5. The integrated filter according to any one of claims 2-4, characterized in that, The oil inlet and the oil outlet are relatively offset.

6. The integrated filter according to any one of claims 2-4, characterized in that, Two of the four side walls of the electromagnetic plate are in contact with the inner side wall of the filtration chamber.

7. The integrated filter according to claim 1, characterized in that The filter element assembly includes filter paper.

8. The integrated filter according to claim 1, characterized in that, The electromagnet assembly includes at least one electromagnetic rod.

9. A cooling and lubrication system, characterized in that, Including a cooling lubricating oil circuit and a backwashing oil circuit; The cooling lubricating oil circuit includes an integrated filter, a two-way oil pump, a first one-way valve, and an oil cooler connected in sequence along a first oil flow direction; The oil outlet end of the backwashing oil circuit is connected between the two-way oil pump and the first one-way valve; the backwashing oil circuit includes an oil filter and a second one-way valve connected in sequence along a second oil flow direction; Wherein, The integrated filter is as described in any one of claims 1-8; the first oil flow direction and the second oil flow direction are opposite.

10. A cooling and lubricating system according to claim 9, characterized in that, The cooling lubrication system further includes a dirt collection oil circuit; The dirt collection oil circuit includes a three-way reversing valve and a dirt collection chamber, and a magnetic member capable of generating a magnetic field is disposed inside the dirt collection chamber; wherein, The first port of the three-way reversing valve is connected to the oil inlet end of the dirt collection chamber through a pipeline, the second port of the three-way reversing valve is connected to the oil inlet of the integrated filter, the third port of the three-way reversing valve is connected with an oil inlet pipeline, and the three-way reversing valve controls the oil inlet of the integrated filter to be separately communicated with the oil inlet pipeline or the dirt collection chamber; An oil outlet pipeline is connected to the oil outlet end of the dirt collection chamber.

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